OAv1.1 0303, preventing Fm van Boom

This layer represents the occurrence limit of Boom, as defined in the Shallow geological 3D layer and voxel model of the Antwerp region (OA v1.1, 2023). The shallow model is a test case for modelling the shallow urban subsurface. The model was drawn up in the context of the Flemish government's management agreement with VITO, under the name VLAKO, on behalf of the Flemish Environmental Planning Bureau.